SB20170807107 - Use of externally-controlled format string in ncurses (Alpine package)
Published: August 7, 2017
Security Bulletin ID
SB20170807107
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of externally-controlled format string (CVE-ID: CVE-2017-10685)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists in the fmt_entry function due to use of externally-controlled format string. A remote attacker can submit a specially crafted input and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=fb417d15ef66c5ecc1eb90b9377709b0bcbef75a
- https://git.alpinelinux.org/aports/commit/?id=d5ed3d124d4bdd572b63974e635e5d7a2fd8a1c8
- https://git.alpinelinux.org/aports/commit/?id=ac658c440bf2097da963820d14d5e89d75887cd7
- https://git.alpinelinux.org/aports/commit/?id=bac940573393e980a46ef49d809df53058bba8b4